/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lodsve.boot.autoconfigure.event;

import com.lodsve.boot.component.event.EventExecutor;
import com.lodsve.boot.component.event.EventPublisher;
import com.lodsve.boot.component.event.listener.EventListener;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolExecutorFactoryBean;

import java.util.List;
import java.util.concurrent.ExecutorService;

/**
 * event config.
 *
 * @author Hulk Sun
 */
@ConditionalOnClass(EventPublisher.class)
@EnableConfigurationProperties(EventProperties.class)
@Configuration
public class EventAutoConfiguration {
    @Bean
    @ConditionalOnMissingBean
    public ThreadPoolExecutorFactoryBean threadPoolExecutorFactoryBean(EventProperties properties) {
        ThreadPoolExecutorFactoryBean threadPoolExecutorFactoryBean = new ThreadPoolExecutorFactoryBean();
        threadPoolExecutorFactoryBean.setCorePoolSize(properties.getCorePoolSize());
        threadPoolExecutorFactoryBean.setMaxPoolSize(properties.getMaxPoolSize());
        threadPoolExecutorFactoryBean.setAllowCoreThreadTimeOut(properties.isAllowCoreThreadTimeOut());
        threadPoolExecutorFactoryBean.setExposeUnconfigurableExecutor(properties.isExposeUnconfigurableExecutor());
        threadPoolExecutorFactoryBean.setKeepAliveSeconds(properties.getKeepAliveSeconds());
        threadPoolExecutorFactoryBean.setQueueCapacity(properties.getQueueCapacity());

        return threadPoolExecutorFactoryBean;
    }

    @Bean
    @SuppressWarnings("rawtypes")
    public EventExecutor eventExecutor(ExecutorService executorService, List<EventListener> listeners) {
        return new EventExecutor(executorService, listeners);
    }

    @Bean
    public EventPublisher eventPublisher(EventExecutor eventExecutor) {
        return new EventPublisher(eventExecutor);
    }
}
